In this paper an algorithm for solving optimal power flow problem through the application of a Genetic Algorithm
(GA). The objective of an optimal power flow (OPF) is to find steady state operation point which minimizes total
generating unit (thermal) fuel cost and the real power loss while maintaining an acceptable system performance in terms of
limits on generator real and reactive power outputs. Genetic Algorithm is one of evolutionary algorithms, which has been
used in many optimization problems due to its simplicity and efficiency. To test the efficacy of the algorithm, it is applied
to IEEE30-bus power system. The optimal power flow results obtained using GA are compared with conventional
methods. The simulation results reveal that the GA optimization technique provides better results when compared to other
conventional methods.

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